Update getting-started/setup-building.rst

Co-authored-by: Brett Cannon <brett@python.org>

Author: marlenezw

getting-started/setup-building.rst

@@ -685,7 +685,7 @@ Then you will need to:
 
 1. Press the ``,`` key to launch the codespace setup screen for the current branch (alternatively, click the green :guilabel:`Code` button and choose the ``codespaces`` tab and then press the green :guilabel:`Create codespace on main` button).
 3. A screen should appear that lets you know your codespace is being set up. (Note: Since the CPython devcontainer is provided, codespaces will use the configuration it specifies.)
-4. VS Code will open inside your web browser, already linked up with your code and a terminal to the remote codespace.
+4. A `web version of VS Code <https://vscode.dev/>`_ will open inside your web browser, already linked up with your code and a terminal to the remote codespace where CPython and its documentation have already been built.
 5. Use the terminal with the usual Git commands to create a new branch, commit and push your changes once you're ready!
 
 If you close your repository and come back later you can always resume your codespace by navigating to the CPython repo, selecting the codespaces tab and selecting your most recent codespaces session.